[Gretl-devel] Re: MPI strange warning

On Sun, Sep 10, 2023 at 9:01 AM Marcin Błażejowski <marcin(a)wrzosy.nsb.pl&gt; wrote: > I noticed that whenever I call gretlmpi in shell [via '(mpiexec) > gretlmpi' or 'gretlcli -b some_mpi_code.inp'] I get several lines of > "Authorization required, but no authorization protocol specified", which > is not gretl related. What I found on Internet is that it is quite > common bug(?) in last OpenMPI releases (I'm using 4.1.5-3 from Debian > repos). > > Did you experience something similar? I haven't seen this myself, but it seems to be to do with ssh and X11 forwarding. There's a discussion at https://github.com/open-mpi/ompi/issues/7701